Typewriter attachment



C. H. CALDWELL.

TYPEWRITER ATTACHMENT.

APPLICATION FILED JUNE 1, 1920.

1,424,985 mm gs, 19225.

3 SHEETSSHEET I.

Czakm fi CaZcZWeZZ C. H. CALDWELL.

TYPEWRITER ATTACHMENT.

APPllCATlON FILED JUNE I. 1920.

Patented AW. 8, 1922.,

3 SHEETS-SHEET 2.

G C'Zarenc/V' Caz weZZ C. H. CALDWELL.

TYPEWRITER ATTACHMENT.

APPucATlpN FILED JUNE 1, 1920.

1,424,985. Patented Aug. 8, 1922 3 SHEETS-SHEET 3.

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. oLARENonn. CALDWELL, or 0A1; rams, IIiLiNOIS.

rxrnwiaiimna ATTACHMENT.

T 0 all whom it may concern 7 Be it known that I, CLARENCE resident of the village of Oak Park, in "the county of Cook and State of Illinois, have invented certain new and useful Improve,

ments 'in a Typewriter Attachment and I do'hereby declare that the following is a full,

clear, and exact description of the same, reference being had to the accompanying drawings and to the numerals of reference marked thereon, which form a part of this specification.

This invention relates to an improved attachment for typewriters adapted to support sheets of copy in position directly over' the platen or roller of themachine and at a con; venient angle. I 1

' A further object of the invention is to provide an improved copy holding attachment for typewriters which maybe folded to inoperative position and take'up a minimum of space so that thety pewriter can be covered or disposed withina desk without the necessity of removingthe attachment.

Another object of this invention is to provide a copy holder which will be as close to the platen'of a typewriter as is possible Without interfering'with the' novemen't of the paperor the carriagef v i A A still further object of the invention is to provide an attachment for typewriters which is adapted to allow the copy'to be shifted upwardly a line at a timethus obviating the 3 possibility of skipping lines and allowing the operator to more easily find'theparticiw lar words being copied.

' Other and further important o'bjects'of this inventionwill be apparent from the dis-.

closures in the specification and drawings. 1

ALD WELL, a citizen of the United States, and a Specification ofLI-etters' Patent. 'Paiented Aug. 8, 1922. Application filed June 1, 1920. seriainaasama i Figure 5 is a section taken on the line 5 -5 of Figure 4, c

Figure 6 is a sectiontaken on the line 6,6 of Figure 1.

Figure 7 is a side View ofoiie of the sup porting arms.

cated by the arrows.

As shown on the drawings:

The reference numeral 10 indicates a typef.

writer of conventional make; having my improved attachment applied thereto. Clamps 12 are provided with set screws l4emounted therein, said clamps 12 being adapted toengage convenient portions of the frame of the l 'gu're 8 is a section taken on'the line 8- 8" of Figure 2, looking in the direction indi machineflO, and to be firmly held in place bjvf the set screws 14; The clamps 12' have bi furcated extensions 16 in which are pivotally mounted the semi-circular supporting "arms 18. The pivot pins upon which the arms 18 are mounted are fixed to the arms to move therewith and each'pin is provided with an integral bevel gear 20 on its lower end. These bevel gears 20 mesh with corresponding gears 22, one fixed to each end of a: transversely extending rod 24, said'rod being ouirnaled in downwardly extendingearsflfi fixed to or integral with the clamps 12.

At their upper ends the semi-circular arms 18 are provided with 'fiat'bearing seats 28 having pins 30 extending upwardly from the centers thereof. These pins 30 have their longitudinal axes in the same vertical line as the axes of the pivot pins upon which the gears 20 are mounted. Supported by the bearing seats 28 and held in revoluble position by the pins 30' are the supportingrarms 3:2 (Figs. 1, 4L and 7), These arms 32 are provided with cylindrical'lug s 34 at their free ends, each ofsaid lugs being provided with a longitudinally extending openingCoE axial with a corresponding opening in the other lug. A shaft36 passes through and is preferably fixed in the two lugs 34,.which are provided with extensions" 38 as shown in Figures4and6. i

Pivotedon the shaft 36 and adjacent the lugs 345 are the arms 40, which normallyextenddownwardly to support the copy holder in position. "At their'lower ends, the arms .10 are pivoted at 42 to a transversely extendcopy holding attachment for typewriters which can be readily attached and easily removed, which can be shifted into three positions with a minimum of effort, a paper inserting position, an operative position and a folded inoperative position, and which can be easily taken apart for purposes of cleaning, and is of neat appearance,-light an compact.

I am aware that numerous details of construction may be varied throu h a wide range without departing from the principles of this invention, and I therefore do not purpose limiting the patent granted otherwise than necessitated by the prior art.

I claim as my invention:

' 1. A rod, a support for said rod, two links mounted to swingabout said rod, stops mounted on said rod to limit the swing of said links, a second rod connecting the free ends of said links, and a copy holder pivotally mounted on said second rod.

2. An attachment for typewriters comprising two brackets adapted to be fixed to the machine, a supporting arm pivoted to each bracket on pins, a gear on the ends of each pin, said gears being so connected as to operate simultaneously, and a copy supporting stand positioned on the brackets.

3. A device of the character described comprising a pair of pivoted brackets, arms mounted thereon and a copy holdingcarriage pivotally mounted on the arms, said carriage being provided with means for shifting the copy one. line at a time.

i. A device of the character described comprising a pair of pivoted brackets, arms pivotally mounted thereon, a plate pivotally mounted on the arms, said plate being provided with two pairs of upstanding lugs, a shaft revolvably supported by each pair of lugs, and a movable copy holder supported by said shafts.

5. A device of the character described comprising a pair of pivoted brackets, arms the chains, and adjustable clips supported 6. A device of the kind described comprising two adjustable clamps, a semi-circular bracket mounted in each clamp on a pivot pin, a gear on the end of each pivot pin, lugs depending from the clamps, a single revolvable shaft mounted in the lugs, and gears on the ends of the shaft adapted to coact with the gears on the pivot pins.

7. A device of thekind described comprising two adjustable clamps, a semi-circular bracket mounted in each clamp on a pivot pin, a gear on the end of each pivot pin, lugs depending from the clamps, a single revolvable shaft mounted in the lugs, gears on the ends of the shaft adapted to coa'ct with the gears on the pivot pins, an arm pivotally mounted on the upper end of each semi-circular bracket, cylindrical lugs on the end of each arm provided with stops, a shaft fixed in the lugs, arms pivoted on the shaft and held in position by the stops, and a copy holding carriage pivotally mounted on the arms. r

8. A device of the kind described compri ing two adjustable clamps, a. semi-circular bracket mounted in each clamp on a pivot pin, a gear on the end of each pivot pin,

lugs depending from the clamps, a single revolvable shaft mounted in the lugs, gears on the ends of the shaft adapted to coact with the gears on the pivot pins, an arm pivotally mounted on the upper endof each semi-circular bracket, cylindrical lugs on the end of each arm provided with stops, a shaft fixed in the lugs, arms pivoted on the shaft and held in position by the stops, a plate pivotally mounted on the arms, said plate being provided with two pairs of upstanding lugs, a shaft revolvablyv supported by each pair of lugs, and a movable copy holder supported by said shafts.

In testimony whereof I have hereunto I subscribed my name in the presence of two subscribing witnesses:

CLARENCE H. CALDWELL.

Witnesses CARLTON HILL, SPENCER WV. GIBBS. 

